Linux Shell Scripting - Computer Information

Q:- Write a shell script to display the name of the operating system, the login name and the host name using BASH scripting.

Code

#!/bin/bash
echo "shell script to display operating system name,login name and host name"
while true
do
echo "Enter your choice"
echo "1.Display name of OS 2.Display Login name 3.Display host name 4.exit"
read choice
case $choice in
1)
echo "name of operating system: `uname -o`"
echo "Kernel name : `uname -s`"
echo "Kernel version:`uname -v`"
;;
2)
echo "login name:`logname`"
;;
3)
echo "host name:`hostname`"
;;
4)
echo "terminating script"
break
;;
*)
echo "invalid choice, please enter values between 1 and 4 only"
;;
esac
done

Output 

[student@localhost ]$ sh asgn4.sh

shell script to display operating system name,login name and host name

Enter your choice

1.Display name of OS 2.Display Login name 3.Display host name 4.exit

1

name of operating system: GNU/Linux

Kernel name : Linux

Kernel version:#1 SMP Mon May 7 17:29:34 UTC 2012

Enter your choice

1.Display name of OS 2.Display Login name 3.Display host name 4.exit

2

login name:student

Enter your choice

1.Display name of OS 2.Display Login name 3.Display host name 4.exit

3

host name:localhost.localdomain

Enter your choice

1.Display name of OS 2.Display Login name 3.Display host name 4.exit

4

terminating script

 

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